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An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.295...

An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.295 V/m imposed along its entire length. The temperature of the wire is 55.0° C. Assume one free electron per atom.

(a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity of aluminum at this temperature.
ρ = 3.2e-8 Ω·m

(b) What is the current density in the wire?
J = MA / m2

(c) What is the total current in the wire?
I = mA

(d) What is the drift speed of the conduction electrons?
vd = µm/s

(e) What potential difference must exist between the ends of a 1.90-m length of the wire to produce the stated electric field?
ΔV =

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